Rattlesnake mating sessions have been known to last more than 22 hours.
232
The elephant brain weighs about 6,000g.
274
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The seahorse is the only fish to have a neck.
12
Drivers kill more deer than hunters do.
660